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Recent questions tagged jee main 2021
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An LED is constructed from a Pn junction based on a certain semi-conducting material with energy gap of 1.55 eV.
asked
Apr 7, 2019
in
Physics
by
kratos
jee main 2021
jee
jee main
jee mains
solid state physics
+1
vote
1
answer
Four spheres each of diameter 2a, and mass M are placed with their centres on the four corners of a square of side
asked
Apr 7, 2019
in
Class 12
by
kratos
system of particles
rotational motion
neet
jee main 2021
class-11
jee
aiims
jee main
+3
votes
1
answer
carbonyl comound
asked
Apr 7, 2019
in
Chemistry
by
kratos
organic chemistry
jee main 2021
jee
class-10
icse
jee main
class-12
+3
votes
1
answer
Prove the follow using properties [(α, α^2, β + α), (β, β^2, γ + α),(γ, γ^2, α + β)] = (β - α)(γ - α)(α - β)
asked
Apr 6, 2019
in
JEE
by
kratos
jee main 2021
class-11
jee
transformation formulae
determinants
class-10
jee main
class-12
polynomials
+1
vote
1
answer
The potential difference, VC, across a 3 Farad parallel-plate capacitor whose plates have radius R = 2 cm varies with time and
asked
Apr 5, 2019
in
Class 12
by
kratos
irodov
neet
electrodynamics
electric capacitance
cbse
electromagnetic waves
jee main 2021
electric current
jee
aiims
jee mains
jee main
class-12
+1
vote
1
answer
The circuit shown in the figure determine the current through zener doide. (Given: zener diode break down voltage Vz = 5.6 V)
asked
Apr 5, 2019
in
JEE
by
kratos
jee main 2021
jee
jee mains 2019
jee mains
jee main
+2
votes
1
answer
Explain the formation of methane molecule on the basis of hybridization.
asked
Apr 5, 2019
in
JEE
by
kratos
isc
chemical bonding
jee main 2021
class-11
jee
molecular structure
icse
jee main
class-12
+3
votes
1
answer
A wire of resistance 12 Ω is elongated to double its length. Find the new resistance.
asked
Apr 5, 2019
in
JEE
by
kratos
jee main 2021
jee
jee mains 2019
class-10
icse
jee main
class-12
current electricity
+2
votes
1
answer
The length of a metal wire is l1 when the tension in it is T1 and is l2 when the tension is T2.
asked
Apr 4, 2019
in
JEE
by
kratos
mechanical properties of solids
cbse
jee main 2021
class-11
jee
elasticity
class-12
simple harmonic motion
jee mains
jee main
gravitation
heat
+2
votes
1
answer
Determine Bohr'* radius of Li^2+ ion for n = 2. Given (Bohr'* radius of H-atom = a0)
asked
Apr 4, 2019
in
JEE
by
kratos
cbse
jee main 2020
jee main 2021
jee
atomic structure
jee mains
jee main
class-12
atoms
nuclei
+1
vote
1
answer
If the image of the point (2,1) with respect to the line mirror be (5, 2). Find the equation of the mirror.
asked
Apr 4, 2019
in
JEE
by
kratos
straight lines
jee main 2021
class-11
jee
class-9
class-10
jee main
coordinate geometry
+1
vote
1
answer
Which of the following is not a thermodynamical function.
asked
Apr 4, 2019
in
Class 12
by
kratos
neet
cbse
jee main 2021
class-11
jee
thermodynamics
jee main
+1
vote
1
answer
What is a geostationary satellite and explain binding energy of a satellite
asked
Apr 3, 2019
in
JEE
by
kratos
jee main 2021
class-11
jee
jee main
gravitation
+2
votes
1
answer
Is egg a vegetarian or non vegetarian
asked
Apr 3, 2019
in
JEE
by
kratos
class-8
jee main 2021
jee
probability
percentage and its applications
class-6
jee main
owlie
sampling techniques
class-12
statistical inference
+2
votes
1
answer
Which of the following are true with regard to materials and attenuation?
asked
Apr 3, 2019
in
JEE
by
kratos
cbse
jee main 2021
jee
jee main
class-12
+2
votes
1
answer
The features when resistors connected in series and parallel are given below. Classify them suitably in the table.
asked
Apr 3, 2019
in
JEE
by
kratos
circuits
jee main 2021
electricity
jee
class-10
ecosystem
jee mains
jee main
class-12
current electricity
+3
votes
1
answer
Find the power loss in each diode (in mW), if potential drop across the zener diode is 8V.
asked
Apr 2, 2019
in
Class 12
by
kratos
semiconductor electronics
neet
jee main 2020
jee main 2021
jee
aiims
jee main
+2
votes
1
answer
A fly wheel gains a speed of 240 rpm in 3 *. Calculate the change in its angular speed in three seconds.
asked
Apr 1, 2019
in
JEE
by
kratos
motion of system of particles
jee main 2021
circular motion
class-11
jee
rigid bodies
jee main
jee mains
+2
votes
1
answer
Suppose f(x) is differentiable at x = 1 and lim(h→0)1/h(f(1+ h)) = 5,
asked
Mar 31, 2019
in
JEE
by
kratos
limits
jee main 2021
class-11
jee
jee main
jee mains
jee advanced 2019
+1
vote
1
answer
Find the distance of the point (- 2, 3, - 4) from the line x+2/3=2y+3/4=3z+4/5 measured parallel to the plane 4x + 12y - 3z + 1 = 0
asked
Mar 31, 2019
in
JEE
by
kratos
cbse
jee main 2021
jee
jee main
jee mains
class-12
three dimensional geometry
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